I think it would be nice if there was a N-body subforum like the j-body subforum http://www.automotiveforums.com/vbulletin/forumdisplay.php?f=54
There are considerably more variations of the Nbody platform then the J.

These are the different variations of the Nbody platform
Pontiac Grand Am (1985-2005)
Chevrolet Malibu (1997-2005)
Buick Skylark (1986-1996)
Buick Somerset (1985-1987)
Oldsmobile Cutlass Calais (1985-1991)
Oldsmobile Achieva (1992-1997)
Oldsmobile Cutlass (1997-1999)
Oldsmobile Alero (1999-2004)